Parts and Functions of Latch Needle in Knitting

Features of Latch Needle | Classification of Latch Needle

What is Latch Needle in Knitting?
In textile knitting industry, latch needle is that which has a right hook and a latch which easily around the axis. This article has presented a details discussion on latch needle.
Loop formation technique of latch needle
Loop formation technique of latch needle
Parts of Latch Needle:
Important parts of a latch needle have pointed out in the below:

  1. Saw cut or slot,
  2. Rivet,
  3. Hook,
  4. Stem,
  5. Tail,
  6. Latch blade,
  7. Slot walls or cheeks,
  8. Latch spoon,
  9. Butt.
Function of Latch Needle Parts:
The main functions of a latch needle parts are-

  1. Saw cut or slot receives the latch blade.
  2. Rivet can be threaded or plain and pinched in the slot walls for retaining the latch blade.
  3. Hook draws and retains the new loop.
  4. Stem carries the new loop in the rest position or clearing position.
  5. Tail is normally n extensions which is below in the butt, gives additional support to the knitting needle and keep the needle in its trick.
  6. Latch blades situated in the blade.
  7. Slot walls or cheeks are either riveted or punched to fulcrum in the latch blade.
  8. Latch spoon is an extension of the latch blade which ultimately bridges between the stem and hook.
  9. Butt enables the knitting needles to be reciprocated when contacted by cam profiles.
Types of Latch Needle:
There are mainly two types of latch needle seen in knitting. Those are-

  1. Single ended latch needle,
  2. Double ended latch needle.
All the above types of latch needle explained in the below:

1. Single ended latch needle:
This type of needle has classified into two types, where one is friction needle and another one is friction less needle.
2. Double ended latch needle:
In this type of needle, two slides at same direction have hook and latch. Double ended latch needle is used for double cylinder hose knitting machine and purl knitting machine.

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